IT1069019B - Procedimento di formazione assiale di preforme di fibre ottiche con gradazioni longitudinali - Google Patents

Procedimento di formazione assiale di preforme di fibre ottiche con gradazioni longitudinali

Info

Publication number
IT1069019B
IT1069019B IT28596/76A IT2859676A IT1069019B IT 1069019 B IT1069019 B IT 1069019B IT 28596/76 A IT28596/76 A IT 28596/76A IT 2859676 A IT2859676 A IT 2859676A IT 1069019 B IT1069019 B IT 1069019B
Authority
IT
Italy
Prior art keywords
fiber optic
formation procedure
axial formation
optic preforms
gradations
Prior art date
Application number
IT28596/76A
Other languages
English (en)
Original Assignee
Western Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1069019B publication Critical patent/IT1069019B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01413—Reactant delivery systems
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/18—Axial perturbations, e.g. in refractive index or composition
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/36—Dispersion modified fibres, e.g. wavelength or polarisation shifted, flattened or compensating fibres (DSF, DFF, DCF)
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Surface Treatment Of Glass (AREA)
  • Glass Compositions (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT28596/76A 1975-10-23 1976-10-22 Procedimento di formazione assiale di preforme di fibre ottiche con gradazioni longitudinali IT1069019B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/625,318 US3966446A (en) 1975-10-23 1975-10-23 Axial fabrication of optical fibers

Publications (1)

Publication Number Publication Date
IT1069019B true IT1069019B (it) 1985-03-21

Family

ID=24505509

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28596/76A IT1069019B (it) 1975-10-23 1976-10-22 Procedimento di formazione assiale di preforme di fibre ottiche con gradazioni longitudinali

Country Status (9)

Country Link
US (1) US3966446A (it)
JP (1) JPS5254453A (it)
BE (1) BE847564A (it)
CA (1) CA1071405A (it)
DE (1) DE2647121C2 (it)
FR (1) FR2328672A1 (it)
GB (1) GB1554732A (it)
IT (1) IT1069019B (it)
NL (1) NL185141C (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135901A (en) * 1974-12-18 1979-01-23 Sumitomo Electric Industries, Ltd. Method of manufacturing glass for optical waveguide
US4017288A (en) * 1975-12-15 1977-04-12 Bell Telephone Laboratories, Incorporated Method for making optical fibers with helical gradations in composition
JPS52121341A (en) * 1976-04-06 1977-10-12 Nippon Telegr & Teleph Corp <Ntt> Production of optical fiber base materials and production apparatus fo r the same
US4202682A (en) * 1976-05-07 1980-05-13 International Standard Electric Corporation Glass manufacture
JPS5927728B2 (ja) * 1977-08-11 1984-07-07 日本電信電話株式会社 煤状ガラスロッドの製造方法
IT1091498B (it) * 1977-11-25 1985-07-06 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la produzione continua di fibre ottiche
GB1574115A (en) * 1978-05-18 1980-09-03 Standard Telephones Cables Ltd Optical fibre manufacture
US4230473A (en) * 1979-03-16 1980-10-28 Bell Telephone Laboratories, Incorporated Method of fabricating optical fibers
US4302230A (en) * 1980-04-25 1981-11-24 Bell Telephone Laboratories, Incorporated High rate optical fiber fabrication process using thermophoretically enhanced particle deposition
US4286979A (en) * 1980-06-23 1981-09-01 Bell Telephone Laboratories, Incorporated Fabrication of optical fibers using differential mode-group delay measurement
US4368063A (en) * 1981-04-06 1983-01-11 Bell Telephone Laboratories, Incorporated Method of fabricating a tapered torch nozzle
NL8102105A (nl) * 1981-04-29 1982-11-16 Philips Nv Inrichting en werkwijze voor het verzadigen van een gas met de damp van een vloeistof.
US4412722A (en) * 1981-10-26 1983-11-01 Western Electric Single mode fiber with graded index of refraction
DE3206143A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und anordnung zur herstellung einer vorform, aus der optische fasern ziehbar sind
US4616901A (en) * 1982-04-09 1986-10-14 At&T Bell Laboratories Doped optical fiber
US4417692A (en) * 1982-04-26 1983-11-29 Western Electric Co., Inc. Vapor-phase axial deposition torch
DE3371291D1 (en) * 1982-04-26 1987-06-11 Western Electric Co Vapor-phase axial deposition system
US4474593A (en) * 1982-04-26 1984-10-02 At&T Technologies Inc. Method of fabricating a lightguide fiber
US4440558A (en) * 1982-06-14 1984-04-03 International Telephone And Telegraph Corporation Fabrication of optical preforms by axial chemical vapor deposition
US4639079A (en) * 1982-09-29 1987-01-27 Corning Glass Works Optical fiber preform and method
DE3403894C1 (de) * 1984-02-04 1985-07-25 Kulzer & Co GmbH, 6393 Wehrheim Vorrichtung zum Beschichten eines metallischen Dentalprothesenteils und Verfahren zum Betrieb einer solchen Vorrichtung
US4589725A (en) * 1984-03-28 1986-05-20 Andrew Corporation Optical-fiber directional coupler using boron oxide as interstitial material
US4915716A (en) * 1986-10-02 1990-04-10 American Telephone And Telegraph Company Fabrication of lightguide soot preforms
US5059230A (en) * 1990-01-22 1991-10-22 At&T Bell Laboratories Fabrication of doped filament optical fibers
JPH0463419U (it) * 1990-10-13 1992-05-29
JP2584151B2 (ja) * 1991-06-11 1997-02-19 株式会社フジクラ 光ファイバ
US5495548A (en) * 1993-02-17 1996-02-27 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Communications Photosensitization of optical fiber and silica waveguides
FR2707285B1 (fr) * 1993-07-06 1995-08-11 Alcatel Fibres Optiques Préforme pour fibre optique, procédé de fabrication d'une telle préforme et fibre optique obtenue à partir de cette préforme.
IT1282113B1 (it) * 1994-02-16 1998-03-12 Ca Minister Energy Fotosensibilizzazione di guide d'onda a fibra ottica e di silice
US5698484A (en) * 1995-09-12 1997-12-16 Corning Incorporated Method and containment vessel for producing fused silica glass and the fused silica blank produced
JP3979666B2 (ja) * 1995-09-12 2007-09-19 コーニング インコーポレイテッド 溶融シリカガラスの製造に於ける、炉、その使用方法及び炉によって製造された光学製品
WO1997010184A1 (en) * 1995-09-12 1997-03-20 Corning Incorporated Boule oscillation patterns for producing fused silica glass
US6173588B1 (en) 1996-01-11 2001-01-16 Corning Incorporated Method of making dispersion managed optical fibers
US6793775B2 (en) * 2001-03-13 2004-09-21 Mikhail I. Gouskov Multiple torch—multiple target method and apparatus for plasma outside chemical vapor deposition
US6839481B2 (en) * 2003-04-04 2005-01-04 Fitel Usa Corp. High-capacity multimode optical fiber systems
US6990277B2 (en) * 2003-04-04 2006-01-24 Fitel Usa Corp. Enhanced multimode fiber
US6839484B2 (en) * 2003-04-04 2005-01-04 Fitel Usa Corp. Optical fiber for single-mode operation
US7536877B2 (en) * 2003-04-04 2009-05-26 Fitel Ush Corp. Optical fiber fabrication and product
US20050022561A1 (en) * 2003-08-01 2005-02-03 Guskov Michael I. Ring plasma jet method and apparatus for making an optical fiber preform
US20100316070A1 (en) 2007-09-25 2010-12-16 Mikhail Sumetsky Asymmetrically perturbed optical fibers for mode transformers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1287540A (fr) * 1961-02-02 1962-03-16 Saint Gobain Perfectionnement à la fabrication de verre de silice ou de verres siliciques
US3642521A (en) * 1969-10-27 1972-02-15 Texas Instruments Inc Production of metal oxides
US3737292A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming optical waveguide fibers
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
US3826560A (en) * 1972-03-30 1974-07-30 Corning Glass Works Method of forming a light focusing fiber waveguide
US3868170A (en) * 1972-03-30 1975-02-25 Corning Glass Works Method of removing entrapped gas and/or residual water from glass
GB1368093A (en) * 1972-10-17 1974-09-25 Post Office Silica-based vitreous material
US3859073A (en) * 1973-10-19 1975-01-07 Corning Glass Works Method of producing glass by flame hydrolysis

Also Published As

Publication number Publication date
NL7611744A (nl) 1977-04-26
GB1554732A (en) 1979-10-31
FR2328672B1 (it) 1982-06-04
FR2328672A1 (fr) 1977-05-20
US3966446A (en) 1976-06-29
DE2647121C2 (de) 1992-02-20
BE847564A (fr) 1977-02-14
CA1071405A (en) 1980-02-12
NL185141C (nl) 1990-02-01
DE2647121A1 (de) 1977-05-05
JPH0258216B2 (it) 1990-12-07
JPS5254453A (en) 1977-05-02
NL185141B (nl) 1989-09-01

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951024